Add a clarifying comment about HasPrototype's computation
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67316 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index a503811..99ea707 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1864,6 +1864,12 @@
isVirtualOkay = (SC != FunctionDecl::Static);
} else {
+ // Determine whether the function was written with a
+ // prototype. This true when:
+ // - we're in C++ (where every function has a prototype),
+ // - there is a prototype in the declarator, or
+ // - the type R of the function is some kind of typedef or other reference
+ // to a type name (which eventually refers to a function type).
bool HasPrototype =
getLangOptions().CPlusPlus ||
(D.getNumTypeObjects() && D.getTypeObject(0).Fun.hasPrototype) ||